WIKA PSD-31 - Manual (Page 24)

24 WIKA operating instructions pressure switch model PSD-3x
GB
11430486.06 02/2012 GB/D/F/E
Delay times (0 ... 50 s)
This makes it possible to filter out unwanted pressure peaks of a short
duration or a high frequency (damping).
The pressure must be present for at least a certain pre-set time for the
output to switch on. The output does not immediately change its status
when it reaches the switching event (SP), but rather only after the
pre-set delay time (DS).
If the switching event is no longer present after the delay time, the
switch output does not change.
The output only switches back when the system pressure has fallen
down to the reset point (PR) and stays at or below the reset point (RP)
for at least the pre-set delay time (DR).
If the switching event is no longer present after the delay time, the
switch output does not change.
Fig.: Delay times
6. Commissioning, operation